<?php


namespace backend\modules\categories\models\searchs;

use yii\base\Model;
use yii\data\ActiveDataProvider;
use backend\modules\categories\models\Categories as CategoriesModel;

/**
 * description of Categories
 * Categories represents the model behind the search form of `backend\modules\categories\models\Categories`.
 * @author FireLoong
 */
class Categories extends CategoriesModel
{
    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['id', 'parent_id', 'published', 'hits'], 'integer'],
            [['path', 'title', 'alias', 'params', 'language'], 'safe']
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = CategoriesModel::find()->where('extension = :extension', [':extension' => $this->extension]);

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
            'sort' => [
                'defaultOrder' => [
                    'lft' => SORT_ASC
                ]
            ]
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'published' => $this->published,
            'created_by' => $this->created_by,
            'modified_by' => $this->modified_by
        ]);

        $query->andFilterWhere(['like', 'title', $this->title])
            ->andFilterWhere(['like', 'alias', $this->alias]);

        return $dataProvider;
    }
}
